[英]In JavaScript, what is the difference between var a=5. and var a=5?
如标题说明
在JavaScript中，var a = 5有什么区别。 而var a = 5？
typeof(5.) //return number
typeof(5) //return number
在javascript中，浮点数也被视为数字，因此typeof(5.)等于返回数字的typeof(5.0) 。
JavaScript 中的 (var1 !== var2) 与 (var1 && var1 !== var2) 有什么区别？
[英]What is the difference between (var1 !== var2) vs (var1 && var1 !== var2) in JavaScript?
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